Kernel-based Virtual Machine (KVM) vs. Red Hat Virtualization

Kernel-based Virtual Machine is very well suited when one needs a single-node virtualization host or needs to build a complex demo setting on their own notebook (e.g. when demonstrating solutions to a customer).

Incentivized

Red Hat Virtualization is suitable for small implementation and hosting VMs. However, when you start asking for additional features or enhancements, the engineering team is not the flexible as other engineering teams in Red Hat. It is very likely they will not accept adding features or in the best case. They wouldn't commit to a plan when it is possible to be available.

Incentivized

• Lightweight built-in implementation for all *nix based OS.
• Easy to deploy and manage VMs.
• Freeware (is you are using a free OS).

Incentivized

• RHV issues/bugs can be reported via Bugzilla to RH support. The service is great and typically responds soon.
• Red Hat distribution integration is seamless as it is integrated into the kernel.
• OpenStack support enables more customized VM templates and network configuration control.

Incentivized

• KVM itself doesn't ship with a management interface
• KVM itself is a bit complicated to handle
• KVM needs Qemu to virtualize Windows guests

Incentivized

• Documentation of RHEV needs more improvement.
• RHEV GUI needs a lot of improvements in some versions of RHEV, GUI will not work properly (shows incorrect details of VM ).
• Need fast rollout of patch releases.
• Need good linux Knowledge to manage the RHEVM.

Incentivized

It does the job and stays out of the way. The specifics of usability relies on the implementation, but with things like Icarus and libvirt, things are standardizing nicely.

Incentivized

The key points why I made my decision for KVM in comparison with VMWare are: Freeware software (I am using an Ubuntu server OS), Fewer resources usage, vSwitch using that provides the ability to configure dot1q trunks to/between VMs, Stability, and simplicity of using/troubleshooting, Well-known interface (for Linux geeks).

Incentivized

Red Hat Virtualization is the best enterprise-level virtualization software for an organization that needs cost-effective and flexible solutions for its environment. We can easily integrate RHEV with other Red Hat software like OpenStack...etc. RHEV is highly customizable software, which helps us to customize our environment. Since RHEV is an open-source tool, we can install it on any hardware. There is no proprietary dependency.

Incentivized

• Capital expenditure costs are low, because is open-source and free
• Operational expenditure costs are medium because it's necessary [to have] an IT team with experience in Linux
• First step to the virtualization world. Wake up, we are in the 21st century

Incentivized

• It has had an extremely positive impact on my overall business and has allowed me to utilize and leverage it as an offering to my clients.
• It's an extremely solid, robust, and reliable product built off of KVM Virtualization technology.
• Less expensive solution than VMware and includes more features!

Incentivized